Fixing Model

[fang__00]

Hello modellers,
im now working on a map that im putting Ghost Rider in it
i edited this model by merging models and editing texture
its not perfect but im okay with it, until i tried importing to WC3
the model doesnt perform in game, but the portrait still working
can anyone fix the model for me so that it is usable in game plz

Thanks in advance

 

[anarchianbedlam]

how does it "not perform in game"? are chunks of the mesh missing? are the animations not playing? or is the entire thing simply invisible?